PC World has published their list of their top 15 rated notebook PCs.
In their ultraportable category, they list these five laptops:
#1 Lenovo ThinkPad X41
#2 Fujitsu LifeBook P7010
#3 Toshiba Portege R200-S234 (“Best Buy”)
#4 WinBook X512
#5 Dell Latitude X1